diff --git a/nixos/modules/services/networking/tinc.nix b/nixos/modules/services/networking/tinc.nix
index 709431026739..a26b2af96cd7 100644
--- a/nixos/modules/services/networking/tinc.nix
+++ b/nixos/modules/services/networking/tinc.nix
@@ -72,7 +72,7 @@ let
       };
 
       prefixLength = mkOption {
-        type = with types; nullOr (addCheck int (n: n >= 0 && n <= 128));
+        type = with types; nullOr (ints.between 0 128);
         default = null;
         description = ''
           The prefix length of the subnet.
@@ -227,7 +227,7 @@ in
 
                   debugLevel = mkOption {
                     default = 0;
-                    type = types.addCheck types.int (l: l >= 0 && l <= 5);
+                    type = types.ints.between 0 5;
                     description = ''
                       The amount of debugging information to add to the log. 0 means little
                       logging while 5 is the most logging. {command}`man tincd` for